19849230 has 96 divisors (see below), whose sum is σ = 55351296. Its totient is φ = 4923072.

The previous prime is 19849229. The next prime is 19849231. The reversal of 19849230 is 3294891.

It is an interprime number because it is at equal distance from previous prime (19849229) and next prime (19849231).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19849231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88899 + ... + 89121.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 2^19849230 is an apocalyptic number.

19849230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19849230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27675648).

19849230 is an abundant number, since it is smaller than the sum of its proper divisors (35502066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19849230 is a wasteful number, since it uses less digits than its factorization.

19849230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 19849230 is about 4455.2474678743. The cubic root of 19849230 is about 270.7579525650.

The spelling of 19849230 in words is "nineteen million, eight hundred forty-nine thousand, two hundred thirty".